<template>
  <div class="tabs">
    <el-tag v-for="(tag,index) in tags" :key="tag.name" :closable="tag.name!=='home'" :effect="$route.name===tag.name ? 'dark' :'plain'" @click="changeMenu(tag)" @close="handleClose(tag,index)" size="small">
      {{tag.label}}
    </el-tag>
  </div>
</template>

<script>
import { mapState, mapMutations } from "vuex";
export default {
  name: "CommonTag",
  data() {
    return {};
  },
  computed: {
    ...mapState({
      tags: (state) => state.tab.tabsList,
    }),
  },
  methods: {
    ...mapMutations({
      close: "closeTag",
    }),
    changeMenu(item) {
      this.$router.push({ name: item.name });
    },
    handleClose(tag, index) {
      const length = this.tags.length - 1;
      this.close(tag);
      if (tag.name !== this.$route.name) {
        return;
      }
      if (index === length) {
        this.$router.push({
          name: this.tags[index - 1].name,
        });
      } else {
        this.$router.push({
          name: this.tags[index].name,
        });
      }
    },
  },
};
</script>
<style lang="less" scoped>
.tabs {
  padding: 20px;
  .el-tag {
    margin-right: 15px;
    cursor: pointer;
  }
}
</style>